Just when things are going great for Hiyori and LIP×LIP, someone posts stealth photos of them talking to each other. Even though there's nothing scandalous happening in the photos, talking to any girl alone is scandalous when you're a male pop idol!
We'll never use differential 
or integral calculus anyway
A gente nem vai usar esses
cálculos de matemática na vida!
всё равно производные и интегралы
никому не нужны.